NAS-C01ウェブトレーニング、NAS-C01問題数

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Snowflake NAS-C01 Exam Syllabus Topics:

Section	Weight	Objectives
Snowflake Native App Framework Overview	20%	- Understand Snowflake architecture, features, tools, and best practices 1. Cloud-based computing and storage concepts 2. Account security and access management 3. Data sharing and protection mechanisms
Snowflake Native Applications Installation and Testing	20%	- Install and test native applications 1. Validate application functionality and performance
Snowflake Native Applications Deployment	25%	- Build, version, and release native applications 1. Use data sharing for app interoperability 2. Use Snowflake's marketplace
Snowflake Native Applications Design and Creation	35%	- Apply Snowflake best practices while building native application workloads 1. Design scalable applications 2. Build, distribute, and monetize apps in Snowflake - Create and manage billing events and cost monitoring techniques 1. Formulate Snowflake native application workflows and procedures

>> NAS-C01ウェブトレーニング <<

2026認定するNAS-C01ウェブトレーニング一回合格-権威のあるNAS-C01問題数

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Snowflake SnowPro Specialty - Native Apps 認定 NAS-C01 試験問題 (Q119-Q124):

質問 # 119
A consumer reports that your Snowflake Native Application is consistently failing with an 'Insufficient privileges' error when attempting to execute a specific function. As the provider, you need to diagnose the issue. Which of the following steps should you perform FIRST, considering the principles of least privilege and secure data access in Snowflake Native Apps?

A. Request the consumer to grant 'OWNERSHIP of the target database to your application's service user.
B. Examine the function's definition and the objects it accesses to ensure that the necessary privileges are granted to the application's invoker's rights (IR) role or owner's rights (OR) role, and that a data access framework is in place when needed.
C. Grant the "APPLY MASKING POLICY privilege on the database to the application invoker role.
D. Grant the 'USAGE privilege on the entire application package to the consumer's account, ensuring they have access to all components.
E. Temporarily disable all security policies (e.g., row access policies, masking policies) in the consumer's account to isolate the problem.

正解：B

解説：
The correct approach is to examine the function's permissions and the underlying objects (Option B). It is crucial to identify the specific privileges required by the function and grant them to the appropriate role (IR/OR). This approach adheres to the principle of least privilege. Granting broad privileges like in Options A, C, and E is a security risk. Disabling security policies (Option D) is a debugging tactic but should not be a long-term solution and could expose sensitive data.

質問 # 120
You have developed a Snowflake Native Application that utilizes a Python UDF to perform sentiment analysis on customer reviews. During consumer testing, you notice that the application is throwing 'ModuleNotFoundError: No module named 'transformers" errors on the consumer's account, even though the 'transformers' library is included in your application's packages directory. Select the two options that best address this issue:

A. Ensure the 'transformers' library is explicitly listed in the 'manifest.ymr file under the 'packages' section and that the application's setup script correctly installs the package using 'pip install transformers.
B. Check if the consumer account has any conflicting Python packages installed that might be shadowing the 'transformers library. Use the 'SHOW PACKAGES' command in Snowflake to list installed packages and their versions on the consumer account.
C. In the UDF code, explicitly add the application's packages directory to the Python path using 'sys.path.append('/app/packages')' before importing the 'transformers' library. Also, bundle the 'transformers' package along with its dependencies into a single zip file and upload it to an internal stage.
D. Verify that the application role has sufficient privileges (USAGE) on the 'transformers' library and that the consumer account's security policies allow access to external packages. The consumer account must explicitly allow the usage of external packages in their account-level security settings.
E. Confirm that the application is built using a compatible Python version (e.g., 3.8) with the consumer's environment, and that the 'PYTHON_VERSION' property in the 'manifest.ymr file is set accordingly. Additionally, regenerate the package directory with all dependencies using 'conda' instead of 'pip'.

正解：A、C

解説：
Option A ensures the 'transformers' library is correctly declared in the manifest and installed during the application deployment process. Option C explicitly adds the application's packages directory to the Python path, ensuring the UDF can find the installed module at runtime. These two steps together guarantee that the library is available and discoverable by the Python UDF within the consumer's environment. Option B is incorrect because the correct application creation and upload ensure the correct role and required permissions on the resources. Options D and E might provide additional insight into specific compatibility issues; however, they won't fix the problem on their own without also correctly declaring the dependencies.

質問 # 121
You are developing a Snowflake Native Application that processes customer order dat a. As part of the setup script, you need to create a shared database and a secure view to expose aggregated order statistics to consumer accounts. Which of the following is the MOST secure and efficient way to achieve this, considering data governance and performance?

A. Create a regular view in the application database using the APPLICATION role. Create a shared database and share the APPLICATION database. The consumer account then uses a local view pointing to the shared view.
B. Create a secure view in the application database using the APPLICATION role. Create a shared database and share the APPLICATION database. The consumer account then uses a local view pointing to the shared secure view.
C. Create a secure view in the provider account and grant SELECT privileges to the application role. Then, create a shared database and share this view.
D. Create a secure materialized view in the provider account and grant SELECT privileges to the application role. Then, create a shared database and share this materialized view.
E. Create a regular view in the provider account and grant SELECT privileges to the application role. Then, create a shared database and share this view.

正解：B

解説：
Creating a secure view in the application database with the APPLICATION role and then sharing the application database is the most secure option. Using the APPLICATION role ensures only the application can access the underlying data. Secure views ensure that data is masked according to the view's definition when accessed by consumers. Consumer accounts use a local view to interact with the shared data, providing an abstraction layer. Materialized views are generally not shared directly because they represent pre-computed data and may not reflect the latest changes.

質問 # 122
You are developing a Snowflake Native Application that relies on external functions (UDFs) hosted outside of Snowflake. You need to ensure that these external functions are securely accessed and that you can track their usage. Which of the following steps are required to correctly configure and manage access to external functions in your application package?

A. Implement robust error handling and logging within the application code to capture any issues related to external function calls, including authentication errors, network connectivity problems, and data transformation failures.
B. Grant the 'USAGE privilege on the API integration object to the application role that will be calling the external functions within the application package. This is done through the application setup script.
C. Define the external functions in the application manifest, specifying the API integration object used for secure communication and authentication.
D. Create a network rule in the application package that whitelists the IP addresses or hostnames of the external function endpoints. Ensure that the application manifest includes the property set to 'true' and references the network rule.
E. No explicit configuration is required within the application package; external functions are automatically accessible once defined in the developer's Snowflake account.

正解：A、B、C、D

解説：
Options A, B, C, and D are all correct. External functions require careful configuration within a Snowflake Native Application. Defining the functions in the manifest (A) is essential for Snowflake to recognize and manage them. Network rules (B) ensure secure network access. Granting USAGE on the API integration (C) allows the application role to use the integration for authentication. Robust error handling and logging (D) are crucial for monitoring and troubleshooting. Option E is incorrect; explicit configuration is absolutely necessary for security and control.

質問 # 123
You are developing a Snowflake Native Application that needs to access data residing in the consumer's account. The application requires specific permissions to read certain tables and execute specific functions. How should you define and manage these access privileges to ensure both security and functionality?

A. Use the 'GRANT OWNERSHIP' command to transfer ownership of the required tables and functions to the application's service account. This gives the application full control over these resources.
B. Rely on the consumer to manually grant the necessary privileges to the application's service account after installation. Provide clear instructions in the application's documentation.
C. Create a new database role and grant the required permissions to the database role, later grant the database role to the application role. Use secure views for access to consumer data.
D. Define a custom role within the application package with the minimum required privileges (e.g., 'SELECT on specific tables, 'USAGE on specific functions). The consumer then grants this role to the application during installation. Use secure views if needed.
E. Grant the 'ACCOUNTADMIN' role to the application. This provides unrestricted access to all resources in the consumer's account, simplifying development and deployment.

正解：C、D

解説：
Options B and E are the most secure and maintainable approaches. Option B follows the principle of least privilege. Option E will add another layer of security. Option A is a very bad practice. Option C is also incorrect, transferring ownership is not a good idea. Option D makes the configuration prone to manual errors.

質問 # 124
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